Hypoxia 4 Types - ✔✔Hypoxic-not enough O2 to go around=Altitude
Hypemic-not enough RBC's to carry O2=Anemia
Histonic-incapable of using O2=CO2 poisoning
Stagnant-block by body parts=pedal edema, touniquets, heart fail, trapped air in ABD
What Altitude is Night Vision cut in 1/2 - ✔✔5,000-10,000 ft
Heat Loss 4 Ways - ✔✔Radiation: heat rises off skin
Conduction: lose heat in contact with cold
Convection: heat loss by moving air over skin
Evaporation: fluids are absorbed to surrounding object or air
CVP (central venous pressure) measures? - ✔✔Right side of the heart PRELOAD (norm: 2-6)
(to decrease PRELOAD: Lasix, Nitro, Morphine)
, PCWP (pulm cap wedge pressure) measures? - ✔✔Left side of the heart PRELOAD (norm: 6-
12) (to decrease PRELOAD: Lasix, Nitro, Morphine)
PVR (pulm vasc resistance) measures? - ✔✔Right side of the heart AFTERLOAD (norm: 50-
250)
SVR (systemic vasc resistance) measures? - ✔✔Left side of the heart AFTERLOAD (norm: 700-
1500)
Meds to decrease afterload - ✔✔Nipride, Nicardipine, Dilt, Labetolol,Esmolol
Meds to increase afterload - ✔✔NorEpi (Levophed),Vasopressin,Dopamine, Phenylephrine
IABP Timing Errors 4 Types - ✔✔Early Inflation-inflates while still in systole (harmful)
Late Inflation-inflates while in diastole (sub optimal)
Early Deflation-deflates while in diastole (not pushing blood)
Late Deflation-deflates while still in systole (very harmful)
IABP Benefits - ✔✔Diastolic augmentation
Reduction of the afterload
Gives the heart a chance to rest
Reduces O2 demand
Increases CO
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